Power assisted bicycle



FIG. 1 is a perspective view from the right side showing a power assisted bicycle embodying my new design;

FIG. 2 is an elevational view showing the left side thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof; and

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a power assisted bicycle, substantially as shown and described. 